Nano-silicate inhibitor derived from rice husk for corrosion mitigation of steel in distilled water

Denni Asra, Norinsan Kamil Othman, Zulhusni Dasuki

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Nanosilicate extracts from rice husk (Oryza sativa L.) ash (RHA) as a corrosion inhibitor for carbon steel in distilled water has been investigated. The nanosilicates extracted from RHA was obtained through wet chemical extraction and the extracted nanosilicates powder were analyzed using Fourier Transform Infrared Spectroscopy (FTIR) in order to identify the presence of functional groups (SiO2) that contributed to the inhibition process. The particle size of extracted nanosilica is in the range of 5-10 nm and it was confirmed through Transmission electron microscopy (TEM) and Zeta Sizer analysis. The corrosion measurement study on the effect of nanosilicate from RHA on carbon steel samples in distilled water as corrosive media had been conducted by employing weight loss method, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), surface analysis, and adsorption isotherm study. It was proven that the maximum inhibition efficiency (IE %) obtained through corrosion measurement were up to 98 % of inhibition. On the other hand, the adsorption of inhibitor on the carbon steel surface was found to follow Temkin isotherm. Based on the result of potentiodynamic polarization, it showed that inhibitors are mixed type. The results of EIS showed that value of charge transfer resistance and the percentage of inhibition efficiency increased with the increasing of nanosilicate concentration. Surface analysis on specimen that was treated with nanosilicate were smoother with fewer corrosion products compared to untreated specimen.

Original languageEnglish
Title of host publication1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016
PublisherAmerican Institute of Physics Inc.
Volume1838
ISBN (Electronic)9780735415089
DOIs
Publication statusPublished - 5 May 2017
Event1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016 - Selangor, Malaysia
Duration: 28 Nov 201630 Nov 2016

Other

Other1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016
CountryMalaysia
CitySelangor
Period28/11/1630/11/16

Fingerprint

rice
inhibitors
silicates
carbon steels
corrosion
steels
water
isotherms
impedance
adsorption
polarization
ashes
spectroscopy
infrared spectroscopy
charge transfer
transmission electron microscopy
products

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Asra, D., Othman, N. K., & Dasuki, Z. (2017). Nano-silicate inhibitor derived from rice husk for corrosion mitigation of steel in distilled water. In 1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016 (Vol. 1838). [020004] American Institute of Physics Inc.. https://doi.org/10.1063/1.4982176

Nano-silicate inhibitor derived from rice husk for corrosion mitigation of steel in distilled water. / Asra, Denni; Othman, Norinsan Kamil; Dasuki, Zulhusni.

1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016. Vol. 1838 American Institute of Physics Inc., 2017. 020004.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Asra, D, Othman, NK & Dasuki, Z 2017, Nano-silicate inhibitor derived from rice husk for corrosion mitigation of steel in distilled water. in 1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016. vol. 1838, 020004, American Institute of Physics Inc., 1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016, Selangor, Malaysia, 28/11/16. https://doi.org/10.1063/1.4982176
Asra D, Othman NK, Dasuki Z. Nano-silicate inhibitor derived from rice husk for corrosion mitigation of steel in distilled water. In 1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016. Vol. 1838. American Institute of Physics Inc. 2017. 020004 https://doi.org/10.1063/1.4982176
Asra, Denni ; Othman, Norinsan Kamil ; Dasuki, Zulhusni. / Nano-silicate inhibitor derived from rice husk for corrosion mitigation of steel in distilled water. 1st UKM-ISESCO-COMSATS International Workshop on Nanotechnology for Young Scientists, IWYS 2016. Vol. 1838 American Institute of Physics Inc., 2017.
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